[Heathkit] Need IO-104 Oscilloscope Vertical Attenuator Switch

[Bob Macklin]

You can most likely use a new wafer from ElectroSwitch. They make the old 
line of Centralab switches.

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Donald Spoon" <drspoon at sbcglobal.net>
To: "Heathkit" <heathkit at mailman.qth.net>
Sent: Friday, March 26, 2010 1:14 AM
Subject: [Heathkit] Need IO-104 Oscilloscope Vertical Attenuator Switch


>I have a Heathkit IO-104 O'scope that appears to be in working order
> except for a broken rear wafer on the Vertical Attenuator Switch
> (SW2-5F).   Does anyone have a "junker" IO-104 that this switch could be
> liberated from?   I can probably get by with replacing just the rear
> wafer, but it looks like just replacing the entire switch would be about
> the same amount of work IF I didn't have to re-wire the whole thing.
> There are only a handful of connections to the vertical board, that
> don't appear to be too much of an obstacle to removing the switch
> "en-block".
>
> In lieu of the above, I am considering building my own from an old
> 12-position single pole wafer that fits.  Anybody done this before??
>
> Another option is careful removal of the wafer and attempting repair by
> judicious use of super glue to get the broken parts back together.   I
> don't hold much hope for this, but it is worth a shot as a last resort.
>
> If I can't do any of these, then I have the "junker"!  As I said, the
> other parts seem to be OK including the CRT.
>
> Thanks In Advance!
>
> -Don Spoon-
> K0APK
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